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fbdb46f5cb
Reviewed By: chadaustin Differential Revision: D17872966 fbshipit-source-id: cd60a364a2146f0dadbeca693b1d4a5d7c97ff63
45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <chrono>
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#include <string>
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namespace facebook {
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namespace eden {
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/**
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* Get a human-readable string for a time duration.
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*
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* Example return values:
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* 3ns
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* 10.456ms
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* 1d23h3500.123s
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*/
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std::string durationStr(std::chrono::nanoseconds duration);
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/**
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* Comparision operators for comparing two timespec structs.
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*/
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bool operator<(const timespec& a, const timespec& b);
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bool operator<=(const timespec& a, const timespec& b);
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inline bool operator>=(const timespec& a, const timespec& b) {
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return !(b < a);
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}
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inline bool operator>(const timespec& a, const timespec& b) {
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return !(b <= a);
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}
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inline bool operator==(const timespec& a, const timespec& b) {
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return (a.tv_sec == b.tv_sec) && (a.tv_nsec == b.tv_nsec);
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}
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inline bool operator!=(const timespec& a, const timespec& b) {
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return !(b == a);
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}
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} // namespace eden
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} // namespace facebook
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